Abdullah ibn Hasan

Abdullah ibn Hasan (700-767) was the son of Hasan ibn Hasan and the father of Musa ibn Abdullah ibn Hasan.

Biography
Abdullah ibn Hasan was born to Hasan ibn Hasan, a member of the Banu Hashim clan of the Quraysh tribe. Abdullah was a Shi'ite Muslim, as he was the grandson of Hasan ibn Ali, the Shi'ite Caliph. Abdullah was the father of Musa ibn Abdullah ibn Hasan, who converted to Sunni Islam and abandoned his father's belief in descent from the Caliph Ali ibn Abi Talib.